From: Markus E Leypold <development-2006-8ecbb5cc8aREMOVETHIS@ANDTHATm-e-leypold.de>
Subject: Re: Finding out minimal allocation unit
Date: Thu, 05 Apr 2007 10:55:07 +0200
Date: 2007-04-05T10:55:07+02:00 [thread overview]
Message-ID: <xpr6qzgpzo.fsf@hod.lan.m-e-leypold.de> (raw)
In-Reply-To: wccejn03vs7.fsf@shell01.TheWorld.com
Robert A Duff <bobduff@shell01.TheWorld.com> writes:
> Markus E Leypold
> <development-2006-8ecbb5cc8aREMOVETHIS@ANDTHATm-e-leypold.de> writes:
>
>> Stefan Bellon <sbellon@sbellon.de> writes:
>>
>>> Martin Krischik wrote:
>>>
>>>> So I believe the OP wanted to know how to find out how much memory
>>>> for "new"ed object is allocated in total in order to know if extra
>>>> optimisation is needed.
>>>
>>> Exactly. :-)
>>
>>
>> I'm only guessing, but here is my approach for GNAT: GNAT is AFAIK
>> linked against libc (at least on Unix). On linux that is glibc, which
>> provides methods to catch/trace malloc() requests. My suggestion is
>> that you do that and look which sizes are actually requested from
>> malloc().
>
> That won't quite give the right answer, because malloc() adds a couple
> of words or so to what was requested.
And I thought it would exactly be the extra padding the OP was
interested in?
Regards -- Markus
next prev parent reply other threads:[~2007-04-05 8:55 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-03 12:43 Finding out minimal allocation unit Stefan Bellon
2007-04-03 13:22 ` Georg Bauhaus
2007-04-03 13:28 ` Stefan Bellon
2007-04-03 13:34 ` Martin Krischik
2007-04-03 13:37 ` Stefan Bellon
2007-04-03 15:17 ` Markus E Leypold
2007-04-04 17:16 ` Robert A Duff
2007-04-05 8:55 ` Markus E Leypold [this message]
2007-04-05 17:55 ` Stefan Bellon
2007-04-06 1:40 ` Randy Brukardt
2007-04-06 8:06 ` Stefan Bellon
2007-04-06 11:06 ` Markus E Leypold
2007-04-03 23:53 ` Randy Brukardt
2007-04-05 6:12 ` Stefan Bellon
2007-04-05 7:35 ` Martin Krischik
2007-04-05 17:58 ` Stefan Bellon
2007-04-07 9:27 ` Martin Krischik
2007-04-10 21:42 ` Robert A Duff
2007-04-05 13:07 ` Robert A Duff
2007-04-05 18:02 ` Stefan Bellon
2007-04-06 1:31 ` Randy Brukardt
2007-04-06 8:10 ` Stefan Bellon
2007-04-06 17:17 ` Simon Wright
2007-04-06 12:38 ` Stephen Leake
2007-04-03 14:12 ` Larry Kilgallen
2007-04-03 13:48 ` Robert A Duff
2007-04-03 16:45 ` Dmitry A. Kazakov
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